Conclusion The level of telomerase activity was significantly higher in bile duct carcino ma and may be served as one of the clinical marker for malignant neoplasm becaus e of its spsecificity.

• 结论端粒酶见于大多数胆管癌组织中，其活性可能在胆管癌的发生发展中起重要作用，有望成为恶性肿瘤诊断的标记物。